/*
 * libustream: User-space stackable streams
 * @(#) $Id: ustream.h 2 2009-02-20 09:52:11Z mo@ilaven.net $
 */

/*
 * Copyright (c) 2002, 2008 Mo McRoberts.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The names of the author(s) of this software may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 * AUTHORS OF THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef USTREAM_USTREAM_H_
# define USTREAM_USTREAM_H_            1

# include <sys/types.h>

# include "com/com.h"
# include "iri.h"
# include "ustream/IUStream.h"

# undef EXTERNC_
# if defined(__cplusplus)
#  define EXTERNC_                     extern "C"
# else
#  define EXTERNC_                     extern
# endif

EXTERNC_ int us_module_register(const char *scheme, const com_rclsid_t clsid);

EXTERNC_ IUStream *us_create_iri(const iri_t *iri, int oflag, mode_t mode);
EXTERNC_ IUStream *us_create(const char *iri, int oflag, mode_t mode);
EXTERNC_ int us_destroy(IUStream *stream);
EXTERNC_ int us_push(IUStream *stream, const char *module);
EXTERNC_ ssize_t us_put(IUStream *stream, const char *buf, size_t buflen);

EXTERNC_ int us_open(const char *iri, int oflag, ...);
EXTERNC_ int us_creat(const char *iri, mode_t mode);
EXTERNC_ int us_close(int fd);
EXTERNC_ ssize_t us_write(int fd, const void *buf, size_t nbytes);

#endif /*!USTREAM_USTREAM_H_ */
